Lenovo 100 in-ear Headphone-Black

DIMENSIONS Height x Width x Depth: 200 mm x 45 mm x 85 mm Weight: 0.08 Kg SYSTEM REQUIREMENTS Works with Common calling applications across almost all platforms. Analog connection with 3.5mm audio in and audio out jacks Single 3.5 mm jack TECHNICAL SPECIFICATIONS Input Impedance: 22 Ohms Sensitivity (headphone): 122 dB +/-3 dB Sensitivity (microphone): -44dBV/Pa +/- 2.5dB Frequency response (Headset): 20Hz to 20kHz Frequency response (Microphone): 100Hz to 6.5kHz Cable length: 1.8m PACKAGE